/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import DAO.DanhMucDAO;
import DAO.LoaiSanPhamDAO;
import DAO.SanPhamDAO;
import POJO.DanhMucPOJO;
import POJO.LoaiSanPhamPOJO;
import POJO.SanPhamPOJO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Messi
 */
@WebServlet(name = "SanPhamListController", urlPatterns = {"/SanPhamListController"})
public class SanPhamListController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String action = request.getParameter("Action");
            if(action != null)
            {
                if(action.equals("Show"))
                {
                    ArrayList <DanhMucPOJO> dm = DanhMucDAO.layDanhSachDanhMuc();
                    request.setAttribute("danhmucAttribute",dm);
                    //bảng loại sản phẩm
                    ArrayList<LoaiSanPhamPOJO> loaisanpham = LoaiSanPhamDAO.layDanhSachLoaiSanPham();
                    request.setAttribute("loaisanphamAttribute", loaisanpham);
                    int MaLoaiSanPham = Integer.parseInt(request.getParameter("MaLoaiSanPham"));
                    int MaDanhMuc= Integer.parseInt(request.getParameter("MaDanhMuc"));
                    ArrayList<SanPhamPOJO> ds = SanPhamDAO.layDanhSachLoaiSanPham(MaLoaiSanPham, MaDanhMuc);
                    //String SQL = SanPhamDAO.layDanhSachLoaiSanPham(MaLoaiSanPham, MaDanhMuc);
                    //out.print(ds.size());
                    request.setAttribute("DanhSach", ds);
                    request.getRequestDispatcher("/SanPhamList.jsp").forward(request, response); // 

                }
            }
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
